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GENERAL INSTRUCTIONS: Work independently. Write your answers with complete solutions legibly. Graphs should be drawn by hand (freehand if drawn digitally). Consult your instructors if you have questions regarding the homework. A letter explaining the reason for late submission will be required if applicable. 1. Find the mass of the lamina in the shape of the portion of the plane with equation 4% + 83/ + z = 8 in the rst octant if the area density at any point (cc, y,z) on the plane is 6(32, y,z) = 6m + 12y + z g/cmz. (5 points) 2 2. Find the flux of F(:z:, y, z) = (42:, 32 + $2, :13) across the positively oriented surface .5' given by Rune) = (215,412, u2), 1 S U2 + v2 S 4, {5 points)